Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Lafayette, Lafayette Regional Airport (KLFT)

Lat: 30.2° N Lon: 91.99° W Elev: 39 ft.

Fair

88°F

31°C

Humidity 66%
Wind Speed SW 10 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 17 Aug 7:53 pm CDT
Detailed forecast for

Lafayette Parish

Tonight
Partly cloudy this evening, then clearing. Lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 105 early this evening.
Tuesday
Mostly sunny. Humid with highs in the upper 90s. West winds 5 to 10 mph. Heat index values up to 111.
Tuesday Night
Partly cloudy. Humid with lows in the upper 70s. Southwest winds 5 to 10 mph. Heat index values up to 106 early in the evening.
Wednesday
Mostly sunny. Humid with highs in the upper 90s. Southwest winds 5 to 10 mph. Heat index values up to 111.
Wednesday Night
Partly cloudy. Humid with lows in the mid 70s. Southwest winds 5 to 10 mph. Heat index values up to 105 early in the evening.
Thursday Through Friday
Mostly clear. Highs in the upper 90s. Lows in the mid 70s. Heat index values up to 110.
Friday Night
Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
Saturday
Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110.
Saturday Night Through Monday
Mostly clear. Lows in the mid 70s. Highs in the mid 90s. Heat index values up to 110.



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306 PM CDT Mon Aug 17 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database